From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6CEE4C433E0 for ; Wed, 12 Aug 2020 15:10:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5160D2080C for ; Wed, 12 Aug 2020 15:10:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726488AbgHLPKi (ORCPT ); Wed, 12 Aug 2020 11:10:38 -0400 Received: from verein.lst.de ([213.95.11.211]:43638 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726447AbgHLPKh (ORCPT ); Wed, 12 Aug 2020 11:10:37 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 25B216736F; Wed, 12 Aug 2020 17:10:36 +0200 (CEST) Date: Wed, 12 Aug 2020 17:10:35 +0200 From: Christoph Hellwig To: Chao Leng Cc: linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, kbusch@kernel.org, axboe@fb.com, hch@lst.de, sagi@grimberg.me Subject: Re: [PATCH 2/3] nvme-core: delete the dependency on blk status Message-ID: <20200812151035.GB29544@lst.de> References: <20200812081844.22224-1-lengchao@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200812081844.22224-1-lengchao@huawei.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Wed, Aug 12, 2020 at 04:18:44PM +0800, Chao Leng wrote: > nvme should not depend on blk status, just need check nvme status. > Just need do translating nvme status to blk status for returning error. While this doesn't look wrong it also doesn't save us a single instruction and actually adds more lines of code. Do you have a good reason for this change?